Captain Marvel Adventures #130

Captain Marvel faces his deadliest challenge yet when two of history's most dangerous villains—the evil scientist Thaddeus Sivana and the alien tyrant King Kull—threaten Earth simultaneously in "Double Doom." With Sivana wielding a brute ray and King Kull commanding a dwindle ray that's literally shrinking the planet, the World's Mightiest Mortal must race against time to stop them before their destructive ambitions leave nothing left to save. When the two villains' goals clash and they turn on each other, Captain Marvel finds himself caught in an explosive three-way battle that will shake the very foundations of Earth.

Captain Marvel Kid tries to sell pep pills door-to-door, but a simple knock sets off a chain reaction of misunderstandings and angry neighbors that spirals into chaos. As blame gets passed from one person to the next, the Kid finds himself caught in the middle of a escalating feud he never intended to start. By the time everyone realizes who's really responsible, it may be too late to make things right.

When Billy Batson and the self-proclaimed genius Doc Quartz discover a hidden valley where starving people are desperate for food, Doc reveals his latest invention—a machine that converts rocks into sausages. Though the miraculous device keeps failing in unexpected ways, Captain Marvel and Doc soon find themselves racing to solve a baffling mystery: why are the valley's people still starving even after eating their fill?

Captain Marvel's pal Teddy is eager to skip town for a vacation to his tiny hometown of Podunk Valley, but his cabin mate Cinders won't let him leave until he chops the promised firewood—setting off a battle of wits where Teddy wagers he can prove his smarts by spelling three words correctly. What starts as an easy challenge quickly turns into a comedy of errors in this 1952 humor story.

When a mysterious invisible creature begins wrecking boats and terrorizing the coast, Captain Marvel springs into action to stop the unseen menace—but tracking something you can't see proves far more challenging than the World's Mightiest Mortal expected. With the help of an enthusiastic amateur marine biologist willing to risk everything for a closer look, Marvel devises a clever plan to finally reveal what's really lurking in the waters off shore.